Class: TypedParams::Coercer

Inherits:
Mapper
  • Object
show all
Defined in:
lib/typed_params/coercer.rb

Instance Method Summary collapse

Methods inherited from Mapper

call, #initialize

Constructor Details

This class inherits a constructor from TypedParams::Mapper

Instance Method Details

#call(params) ⇒ Object 



7
8
9
10
11
12
13
14
15
16
17
18
19
 
# File 'lib/typed_params/coercer.rb', line 7

def call(params)
  depth_first_map(params) do |param|
    schema = param.schema
    next unless
      schema.coerce?

    param.value = schema.type.coerce(param.value)
  rescue CoercionError
    type = Types.for(param.value)

    raise InvalidParameterError.new("failed to coerce #{type} to #{schema.type}", path: param.path, source: schema.source)
  end
end